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Refrigerated air dryers

RDG-220 Compressed air extracted from air compressor contains lots of hot moisture. If such compressed air is used as it is, it will cause trouble in compressed air equipment.
The refrigerated air dryer is a forced air-cooled type which cools incoming compressed air down to pressure dew point of 10°C, while moisture is condensed and separated.
*A limited number of products cannot be sold in certain countries.

  Model
Item RDG-22 RDG-37 RDG-55
Air condition Ambient temperature
(°C)
32
Inlet air temperature
(°C)
Air flow
50/60Hz
(m3/min)
40 - - -
45 0.31/0.35 0.5/0.55 0.74/0.81
50 0.31/0.35 0.5/0.55 0.74/0.81
55 0.31/0.35 0.5/0.55 0.74/0.81
60 0.29/0.33 0.48/0.52 0.70/0.77
Inlet air temperature
(°C)
5 8
Inlet air pressure
(MPa)
0.2 1.6
Dew point at air outlet
(°C)
10
Refrigerant HCFC22
Air outlet connection
(B)
Rc 3/8 Rc 3/8 Rc 1/2
Mass
(kg)
30 32 38
Dimensions
((W×L×H)(mm))
300×380×790 300×380×790 350×430×820
Electric consumption
((50/60Hz)(kW))
0.17/0.18 0.22/0.23 0.25/0.30

  Model
Item RDG-75 RDG-110 RDG-150 RDG-220 RDG-370
Air condition Ambient temperature
(°C)
32
Inlet air temperature
(°C)
Air flow
50/60Hz
(m3/min)
40 - - - - -
45 1.2/1.3 1.65/1.82 2.8/3.1 3.9/4.3 6.6/7.3
50 1.2/1.3 1.65/1.82 2.8/3.1 3.9/4.3 6.6/7.3
55 1.2/1.3 1.65/1.82 2.8/3.1 3.9/4.3 6.6/7.3
60 1.14/1.24 1.57/1.73 2.66/2.95 3.71/4.09 6.27/6.94
Inlet air temperature
(°C)
5 80
Inlet air pressure
(MPa)
0.2 1.6
Dew point at air outlet
(°C)
10
Refrigerant HCFC22
Air outlet connection
(B)
Rc 3/4 Rc 1 Rc 1 1/2
Mass
(kg)
42 56 75 89 120
Dimensions
((W×L×H)(mm))
350×
430×
820
420×
450×
960
420×
520×
1040
420×
610×
1120
480×
670×
1170
Electric consumption
((50/60Hz)(kW))
0.35/0.41 0.48/0.56 0.96/1.16 1.30/1.55 2.2/2.7

  Model
Item GT7055 GT7075 GT7095 GT7120 GT7150
Air condition Ambient temperature
(°C)
32
Inlet air temperature
(°C)
Air flow
50/60Hz
(m3/min)
40 9.6/10.6 13/14.3 16/18.8 20/23.5 25/30
45 7.97/8.80 10.8/11.9 13.3/15.6 16.6/19.5 20.8/24.9
50 6.53/7.21 8.84/9.72 10.9/12.8 13.6/16.0 17.0/20.4
55 5.47/6.04 7.41/8.15 9.12/10.7 11.4/13.4 14.3/17.1
60 4.61/5.09 6.24/6.86 7.68/9.02 9.6/11.3 12.0/14.4
Inlet air temperature
(°C)
2 60
Inlet air pressure
(MPa)
0.2 1.0
Dew point at air outlet
(°C)
10
Refrigerant HFC407C
Air outlet connection
(B)
Rc 2(union) RC 2 1/2 (flange) RC 3 (flange)
Mass
(kg)
115 140 230 360
Dimensions
((W×L×H)(mm))
500×
1000×
950
550×
1100×
980
600×
1250×1100
700×
1450×
1300
Electric consumption
((50/60Hz)(kW))
1.3/1.5 1.6/2.0 2.1/2.6 2.4/2.9 3.5/4.4
*1. In order to get air flow capacity in case of 38 °C ambient temperature, multiply the above figure by 0.88 for RDG series and by 0.92 for GT series.
*2. The air flow capacity is at 0.7MPa. In case of 0.6MPa, multiply the above figure by 0.94 for RDG series and by 0.95 for GT series.
*3. Pressure drop is related to air flow characteristics. Detailed information will be given separately on request.
*4. Recommended ambient temperature is 2 43°C
*5. We have optional models GT5055/5075 which are for high temperature intake air to cover 55/75kW range.
*6. Dimensions are outer dimensions of package.



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